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Tekmar tN2 House Control -Boiler, DHW & Setpoint, Four Zone Pumps |
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Tekmar tN2 House Control -Boiler, DHW & Setpoint, Four Zone Pumps
The tekmarNet® 2 House Control 401 is designed to operate all of the mechanical equipment in a residential hydronic heating system, coordinating their operation through network communication. It can be used in applications ranging from a single zone of baseboard with an on/off boiler, to multiple radiant floor zones with a modulating/condensing boiler. This control regulates one space heating water temperature through Outdoor Temperature Reset and Indoor Temperature Feedback. It is capable of controlling a single on/off, two stage, or modulating boiler, Domestic Hot Water, setpoint loads, 4 on-board zone pumps, and can expand up to 24 zones in total.
Features
- Automatic Boiler Differential
- Boiler Protection
- DHW Post Purge
- DHW Priority (optional)
- DHW control
- Exercising
- For use with tekmarNet®2 thermostats ONLY
- Four 115 V (ac) powered zone outputs
- Indoor Temperature Feedback
- One touch overrides (with optional User Switch)
- Only requires 2 Wires Per Zone
- Outdoor Temperature Reset
- Powered pump outputs
- Setpoint operation
- Single on/off, two stage, or modulating boiler control
- System Setback (with optional Timer)
- Warm Weather Shut Down
- Zone Synchronization
- tN4 expansion terminals
Specifications
| Control |
Microprocessor control. This is not a safety (limit) control |
| Packaged weight |
1.4 lb (640 g) |
| Dimensions |
5.5" H x 5.5" W x 2.25" D (140 x 140 x 57 mm) |
| Enclosure |
Blue PC+ABS plastic, NEMA type 1 |
| Approvals |
CSA C US, meets class B: ICES & FCC Part 15 |
| Ambient conditions |
Indoor use only, 32 to 104°F (0 to 40°C), RH ≤90% Non-condensing |
| Power supply |
24 V (ac) ±10%, 60 Hz, 100 VA max, Class 2 |
| Control load |
2 VA |
| Pump power |
115 V (ac) 12 A max |
| Boiler stage 1, 2 relays |
24 V (ac) 5 A |
| Pump relays |
115 V (ac) 5 A, 1/6 hp |
| Setpoint and DHW calls |
Short, 0 - 32 V (ac) |
| Boiler modulation output |
0 - 10 V (dc) 500 Ω min load impedance, 4 - 20 mA 1 kΩ max load impedance |
| Sensors |
NTC thermistor, 10 kΩ @ 77°F (25°C ±0.2°C) ß=3892 |
| -Included |
Outdoor Sensor 070 and 3 of Universal Sensor 082 |
| -Optional |
tekmar type#: 033, 479 |
| Warranty |
Limited 3 Year Warranty |
Current Literature
Product Submittal |
Jan 2011 - Present |
401_C |
Installation & Operation Manual |
Jul 2011 - Present |
401_D |
Quick Setup Guide |
Sep 2010 - Present |
401_Q |
Installing House Controls 400, 401, 402 and 403 with Modulating Boilers |
Mar 2011 - Present |
SB0064 |
Part Number: 401
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